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United States Patent | 5,667,019 |
Reincke | September 16, 1997 |
The invention relates to a soil treating device comprising at least one working element rotatably driven by a rotation shaft and a frame accommodating the working element and displaceable practically parallel to the ground, characterized in that the rotatable working element consists of a plurality of contact elements intended for ground working and fixed in a holder, wherein at least a part of the contact elements lies at different distances from the rotation shaft.
Inventors: | Reincke; Marinus (Leersum, NL) |
Assignee: | Redexim Handel- en Exploitatiemaatschappij B.V. (NL) |
Appl. No.: | 513291 |
Filed: | August 10, 1995 |
Aug 12, 1994[NL] | 9401311 |
Current U.S. Class: | 172/49.5; 15/28; 15/50.1; 15/87; 172/59; 172/111 |
Intern'l Class: | A01B 045/02 |
Field of Search: | 172/29,30,49,49.5,57,59,110,111,522,533,524,532 37/232 15/21.1,28,49.1,50.1,78,87 56/366,377 |
1691351 | Nov., 1928 | Hicks | 172/111. |
2050120 | Aug., 1936 | Pizarro. | |
2193157 | Sep., 1940 | Ayo. | |
2531557 | Nov., 1950 | Dayton | 172/111. |
2805612 | Sep., 1957 | Beard | 172/111. |
3135985 | Jun., 1964 | Hulst | 15/49. |
3781937 | Jan., 1974 | Jacobs | 15/49. |
5054559 | Oct., 1991 | Paul | 172/59. |
5228521 | Jul., 1993 | Sing | 172/59. |
5477927 | Dec., 1995 | Figura | 172/29. |
Foreign Patent Documents | |||
0081600 | Jun., 1983 | EP. | |
1047289 | Dec., 1953 | FR. | |
317606 | Dec., 1919 | DE. |